Knee Ligaments

Question 1

This ACL bundle is often torn in partial tears

Answer 1

Posterolateral

Question 2

This ACL bundle is the primary restraint against anterior tibial translation

Answer 2

Anteromedial

Question 3

70% of ACL’s are ruptured with a _________ mechanism

Answer 3

“non-contact”

Question 4

In the absence of osseous trauma, an _________ is believed to be 72% positive correlation for ACL injury

Answer 4

immediate effusion

Question 5

considered the most sensitive for ACL tear

Answer 5

Lachman’s test

Question 6

“Deep Femoral Notch Sign” seen on the lateral femoral condyle

Answer 6

ACL Tear on X-RAY

Question 7

kissing contusions

Answer 7

may indicate ACL tear

Question 8

In 75-100% there will also be an ACL tear if what fracture is present?

Answer 8

segond fx

Question 9

Major downfall of Bone-patella-bone (BTB) surgery

Answer 9

anterior knee pain

Question 10

primary stabilizer of the knee

Answer 10

PCL

Question 11

Considered most useful test for PCL injury

Answer 11

posterior drawer test

Question 12

Heterotopic ossification of femoral aspect of the MCL

Answer 12

Pellegrini-Stieda

Question 13

Usually associated with posterolateral corner injuries, fibular head fracture, or varus stress/external rotation

Answer 13

LCL injury

Question 14

Avulsion fracture of the lateral capsule attachment on the lateral tibial plateau and can be indicative of an LCL rupture (and ACL tear)

Answer 14

segond Fx

Question 15

usually reserved for Grade III LCL and posterolateral corner injuries

Answer 15

Surgery